Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Sondu's average high-temperature in September is a still pleasant 22.4°C (72.3°F), marking an insignificant difference from the 21.1°C (70°F) of August. Throughout September, Sondu records an average temperature of 11.5°C (52.7°F) at night.Humidity
In September, the average relative humidity is 79%.Rainfall
In Sondu, in September, it is raining for 27.5 days, with typically 140mm (5.51") of accumulated precipitation. In Sondu, during the entire year, the rain falls for 300.9 days and collects up to 1768mm (69.61") of precipitation.Daylight
The average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:36 and sunset at 18:43. On the last day of September, sunrise is at 06:26 and sunset at 18:33 EAT.
Sunshine
In September, the average sunshine is 9.3h.UV index
January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September in Sondu?
How long on average sun shines in September?
What is the month with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Sondu, Kenya
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is July (20°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are February and March (12.8°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).
Average pressure in September
Sondu, Kenya
- Average pressure in September: 1014.7mbar
The months with the highest atmospheric pressure are June and July (1016mbar).
The month with the lowest atmospheric pressure is February (1012.9mbar).
Average wind speed in September
Sondu, Kenya
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is June (5.6km/h).
Average humidity in September
Sondu, Kenya
- Average humidity in September: 79%
The months with the highest relative humidity are May and June (88%).
The month with the lowest relative humidity is February (61%).
Average rainfall in September
Sondu, Kenya
- Average rainfall in September: 140mm
The wettest month (with the highest rainfall) is April (246mm).
The driest month (with the least rainfall) is February (48mm).
Average rainfall days in September
Sondu, Kenya
- Average rainfall days in September: 27.5 days
The month with the highest number of rainy days is May (30.1 days).
The month with the least rainy days is February (13.6 days).
Average daylight in September /
Average sunshine in September
Sondu, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 42min).
The months with the least sunshine are April, May and June (Average sunshine: 8h and 24min).
Average sunshine days in September
Sondu, Kenya
- Average sunshine days in September: 1.1 days
The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in September
Sondu, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Sondu, Kenya
- Average cloud cover in September: 29
The months with the most cloud cover are May and June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Sondu, Kenya
- Average visibility in September: 9km
The months with the highest visibility are January and February (10km).
The month with the lowest visibility is May (7km).
